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Commit 7ca5a41f authored by Rodrigo Vivi's avatar Rodrigo Vivi Committed by Daniel Vetter
Browse files

drm/i915: Avoid re-configure panel on every PSR re-enable. 



The panel has to be reconfigured only when it really loose the power.
The traditional enable/disable sequence already take care of this so we can
minimize the time spend on every re-enable.

Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 0aa48783

drivers/gpu/drm/i915/intel_dp.c

+4 −4
Original line number Diff line number Diff line
@@ -2121,10 +2121,7 @@ static void intel_edp_psr_do_enable(struct intel_dp *intel_dp) 
	WARN_ON(dev_priv->psr.active);

	lockdep_assert_held(&dev_priv->psr.lock);



	/* Enable PSR on the panel */

	intel_edp_psr_enable_sink(intel_dp);



	/* Enable PSR on the host */

	/* Enable/Re-enable PSR on the host */

	intel_edp_psr_enable_source(intel_dp);



	dev_priv->psr.active = true;
@@ -2162,6 +2159,9 @@ void intel_edp_psr_enable(struct intel_dp *intel_dp) 
	I915_WRITE(EDP_PSR_DEBUG_CTL(dev), EDP_PSR_DEBUG_MASK_MEMUP |

		   EDP_PSR_DEBUG_MASK_HPD | EDP_PSR_DEBUG_MASK_LPSP);



	/* Enable PSR on the panel */

	intel_edp_psr_enable_sink(intel_dp);



	dev_priv->psr.enabled = intel_dp;

unlock:

	mutex_unlock(&dev_priv->psr.lock);